text: The request was mentioned in the document signed by HCMC Vice Chairman Duong Anh Duc on May 27 to strengthen Covid - 19 prevention measures in the area?
classes:  No, vice chairman Duong Anh Duc was unable to sign the document for approval as it was not yet an appropriate time.  Also, vice chairman Duong Anh Duc was unable to sign the document for approval as it was not yet an appropriate time.  Yes, vice chairman Duong Anh Duc was unable to sign the document for approval as it was not yet an appropriate time.